Tobacco-stemming machine.



J. n. c IK. P. wmnxsn. `TOBACCO STEKMING MACHINE. nuwnlol rut An. u. mu.l

n'mmn nu. an, nov.

rm .m RH n.0 A nu. am WI .l P. nn a o uw Ln o T t units-unt a,

kAIILXGA'IYOI "LI, Afl'. ll. HOI.

s.. 841.154. A PATBNTBD un. as, 1907. i 1.114 L. P. wm'rluum.` roncco s'rsuumu Mmmm. l l

APPLNLTNI "LID All.. ll. 1003- .lilnnxlr WITNESS I y s* {.'vVE/vqmks, ,iff l y Mmmm@ i l Mime@ l' I Jessi: n.

f ois'rmcr or co lf y sismici:

s. simu.

wi-ii'riicl-iit Axl Loui winne. Assmsoits COMPANY, or wisum'rox. uis'ifiim'r or COLUMBIA.

.. 'focacce-creanme automne.

spesiseauea er raum rami. Anims iid ipa is, im. simi s. im.

To Il?! mimi". if muy erinnern:

. Beit known that we, Jessi: II. 'ilirsitnn and Louis United States, 5 District of Col new and iisetiil Stemmi elare the ollowili Machines; and we P. Winnxiin, citizens of the residing at Washingt on', in the umbia, have invented oertsm firmemente in Tobaccodo hereby deto he ii full,aleiir, and eiract description o the invention, such ae w ers skilled in the art to which it up rtaiiis to imike anduse the same.

iis invention relates to the class of to-r bacco-stemming nac illustrated in theamication of .14. l. Whitaker filed May l 106,608,

ent lilo. 741, ia an improvement.

and tented upon which this invention hines described and and given Serial No. October 20, 1903, Pat- The present invention consists in the novel `features hereinafter'.

described, reference behad to the accompanying drawings,

i :gieh illustrate one e.in'operative s. viewshowi position. l v ng the hubs o the cutter sepathe blades to be changed. F' 3 is a top plan view of the cutter and l connected meohan'm 'l supplied wit air b rubber tubes fj from showing the cutter-s aft and air-tube form in which" we lieve contemplated embodyi ,l is invention is. muy missed in ci. who,

' es lnmcption and etai rrl to the drsydngs,

sente a transverse section th I of a machine-of the kind described s the rotarycutter ng our invention and ins.

Figure t repreand connected n. Fi .'4 is a detai in section and the central shoe. Fig. 5 is an sectionallvlew of the cutter.

Fig. s

is a frontwiew-of one of the hubs.-` Fg.'7 is a' sidevisw 4e detached. Fig. 8

In the machine described in the applica,-

of ons ofthe bladeoperating-csins represents a modified tion of L. P. Whitaker above referred to the leaves are operated upon .by currents of air 451ml also lya rotary cutter, and this invenparticularlyen- -5c suflicienttom tion of the rotary ou lIn the drawings,

nd s It tter clearly1 intelligi ile.

A A- represent the two mounted in bearings rough the ii per some cases ont -other end of air-tube F being in euch ease easing; more of the inechine'then is e the construction au o era- UNITED. STATES .PATENT OFFICE.

ri l. WHITAKER. OF WASHINGTON TO Tlf E PN EUMATIL- TOBALCX) a einem :sa ss. isor.

longitudinally-extending. side frames of the machine mounted von legs and carrying the working arts. B B represent the toheco- 55 carrying eed-belts, carried bv large grooved wheels, (not herein shown,) the inner parallel stretches of the beltsl bein pressed together l hy two parallel series of ro ters o', e'. (Indicated Ain the drawin.) D is the steinniinr 6o tube, through wliic the stemmed .leaves are carried by the current of air charged, all as clearly shown and described in the former application refe p E vrepresents til' hollow cutter-shaft 65 with a driving-.pulley 'e'.

are mounted two separate cutter-hubs G (3, which can be moved longitudinally of the shaftto bringthemnearlytogetheroraeon- 1c' siderable distance apart, and the shaft is profida! tLith keys or splines e* or equiv en engage a correspondingl a the hubs w n thelatterare inthzlrliniisl` in ost 'tions, so that the hubs will rotate 1,' with eshaft. TheshaftEis adhetween thel hubs with a plurality of slotsr or holes e', corres l in; to-ths number of blades carried by the hubs as shown in me.

A stations air-tube ii` extends throuilo the hollow sha t E and proects'beyond t ends of 'the shaft, be' he dfrom rotation by the split collars fuji? which collars have armsj'f ,which'areeecuredbyscrewstothe bea' c and c. The air-tube F is 85 outer f suitable source o air under pressure eon- `.iected toopposite ends of the air-tube F, as

fully s'et forth in the former application' before referred to. vOiil one of these sup- 9 ply-tubesf is shown in t e drawings, and in such tube is eniployed, the

closed. 'We refer, however, to supply air from both en( s of the tube F, as a better eon- 9 trol of the air is obtained in this way. e Y air-tube l` is also provided with ,a single s ct or aperturef, adapted to register with one the a iertures vin the shaft on the rear s' ev and irect e currentof sir down the steinice ming-tu Each of.the hubs G is providedwith a number of radiali 'disposed and longitudinally-extending Ms ,.six being own sul .- z. un ouf,- "mi il mss mit hub, in euch of which is a longitudinally-reciprocating blade g', having n cutting 9*. Eneh blade hns n narrow shank portion K' and a nih q', which works in a enmgroove in a enm Pl, fitted to turn within n reeel. in tbe hnek of the hub, ns ele-orly shown in Fig. 7, the enm being shown seperately in F' 9.

Tho blad; g' nre gui-.led in their move menta b sn outer ring g', fitted over the hub an en ging the Iupper edges of the blades and ya ri g". tilted into the inner faee of the hub, Unai therewith and en mg# ing the bottom fares of the binde. 'l nose rings are held b screw.. ond can be turned when desired, (d boring.' new holes for the retaining-aerswmi so as to give new hearingfaces for the blades to n ork ngninst. or they moy be replaced, if i.essnrv, without renewing the huh. 'he enms il nre eneh provided with s reduced stem h', forming n shoulder hat il,`- yiunetion with the eem proper, and eneh hub is provided with n retaining-ring. seeured thereto bv screws or otherwise in renr of snid shoulder und hnvirlg an aperture for the stem h', thus rethinlng the, eem wit hin the hub and musing them to move longitudinally ofthe nhnft together.

4' The cams ore. loom on the shnft sod iu'operntive positionv nre held from rotntion. ln this instsnce themtem of euch cum is shown provided with a ring h', secured thereto h v setserewl and provided with nu eye h, which when the parta are in operntive position (see Figs. l and 3) is engnged by n stud 17 on nn erm l, ser-.uml to some stationery ortiou of tht'. machine. it will be olvmetfvet that, by Incom of this ring h' the com can be ndjusted by loosening theset screw or serews in said nn." -io as to ehnnge the relative positions of tb' `1n and the hubs without disturbing the devices for preventing the rotation of said cams.

Menno are also provided foty si pnratin r the hubs to ermit the hlndes to he removet nml ln this instance the hearings e nud e' are shown provided each with s hand-lever K, pivot-ed nt ita lower end on a thumb-screw le, provided' 'with n wing-heini for convenient-e. und u lmk It" extends from unid lever to the yrin'g r of the ad aeent cum, by which menns thee-ems nud 'l hu cnn be. moved tn their innerer outer he benr- .'Apogiitions und secured in their inner'lpositions 55 y" "ings referred to nre also provided eneh withn rh'eansof said wing-screws l".

'set-screw l", which is loented so as to engage thelever K when itis pushed in und regulate the operative positions of the hubs and binden with respect to ench other. 'ihis set screw is prefernhly provided will the uslml lock or jam nut or other device lo prevent it from tunning.

lt will be noticed that the blndes do not extend inwardly to the shaft, n nd '.ve therefore. rovide n shoe i., (sec Figs. 2, 4, und 5,) whie i engages the shnft and nearly eneireles the somo und is of such thiekness that the blndes just pnss over it without touching it.

rent of nir is discharged from the inner or. nir tube, ne. shown in Fig. und the shoe is further provided with an erm l, which is se eured to the stemming-tube or other fixed romrotsting. ln oHerntive msitiou the hubs are pushed inwnrt v, as shown in Figs. 1,3, nml 5,5othst the blades of the opposite hubs nre opposite each other and hnve their euttilu; ed closely adjacent, forming n noteh into wb oh the stems of the feed-lwltn.y 'lhe hhides operate on opposiu` removing the interni lenf mrtions from tbe stems. The grooves` hint le enms H are so arranged nml the eumsso adjusted that as stgo! :s the blades hnve moved from the top n il.

emu giooves will enuse the bladen to move beek 'into the hubs and remain in until they reneh n point adjneent to theto of tbeeutter, when they nre n 'nin projet-tet into working nporton of the blades nre in operative position at n time, the others being retrneted within tht.` hubtnmd the position of the worki hliides with respect to the hubs can be n in a direction uround the shaft within the rings h h", ns before described.

Bv menus of this eonstruetion each pair of blades nre brought toward each other intolshaft. As the leaves of tobacco are drawn over the knife their stems enter the recess between ene-h pair of binden and the blades eut the lnteml fibers of the lenzen snd assist to the front. As soon as the b adea begin to turn downwn rd beyond the vpredetermined point they nre quit-.kl retracted by the coms, so as to withdrew tliem from contact with ingt he severed lenf portionsnnd permitsthem to pnss under the shnl' t, while the stein passes over the top, nud ns the blades are retracted n ll the wny around the under nrt of the shaft und wrapped nmund thc-cutter, as nl iht hnp pen if stationair),l 'hindes were used. he lenf portions as they' pass nround beneath the shnf t nre exposed to the nir-hinst and are enrtheir delivery. As the stems nre fed und en-rried.through the nmehine nt an nng'le to i the feeding-belts,the adjustment of the cuius i nronnd the slmft which determines the point leaves are drawn by the' t sides of the stem, nssistmg the nir-cu rrents in severing the Interni fibers of the leaves and S5 The shoe is open nt the rear, where the cur- 1c portion of the frame to prevent the shoe 75 sSo knife forward n desired distance the 9o position. it wil he .u\tn,therefore,tlmt only '95v justed by ndiu'sting the cnms forward or beek ico operative position on the upper side. of the. I`

insepnrnting the lenfportions, iushingthom Ito the severed lenf portions. This avoids tesr- H5 y the severed lent' portionswil not be caught xzo vried oli through the ohnnnel vprovided for |25 i nt whieh thi` hlndes come intooperntive po |33 -se on the stems themselves, but only l stharnaelrelaald b l saines 8 tiqn and 'the point at which they separate.

raotiesl y ai thus at the same time y the duration of the period that each bladel acts u the stem during a revolution..

means for adjusting said cams in a direction controla around the shaft, substantially aa dcacribed.

5. A rotary cutter for a tohacetmtemming' machine, rompnsing a rotary shaft, two op- 5 Thusi theoamaaretumcdhackward,aotliat poaltc hubs mounted thereon, and rotating the blades close in rear of a vertical position i tnercwitn, longitudinally movable blades and open substantially at vertical position, mounted in und hubs, and a cam for each the duration of the period of action of the g huh for rc'eipmcating seid blades, and reblades on the stem would be very short. w while this duration maybe increased by adjust' the cams forwardly around the shaft.

In ig. 8 we have shown a modi of blade vwhich is made in two parts G G', the ons carrying the cutting edge and the otherx5 carrying the nib, and aapring is mte se between. the two parts. T object o this form 'g' tracting tlxcm entirely within the hubs, durj ing a portion of their rotary movement, suhstantially as described.

ti. A rotary cutter for a tobacco-stemming A machine comprising a shaft, hubs thereon,

movable blades fitted in said hubs, cams for d operating said blades, and means for adjusting said nnhs and cama at diierent distances eonstruotl .n ia to enable the'cuttiog edges to apart to var the distance between the c utatems, as tm mld tly to accommodate ar eut ag edges are not intende to operato to assist in severing the lateral fibers and leaf portions What we e laim,anddeaire to accurehy Lets5 l 'A rotary cutter for tobacco-stemming machines, comprising a :shaftz a series of pairs Aof blades arranged around said shaft, and ex- A substantial? ralially thercfrom,the blades of eacmr fing movable longitudi- 'o Bally of the away from and toward each other, and for reciprocating said llladss,'substantiallyaldescnbed. 2. A rotary cutter for tobacco-stemming com a' shaft, a series of ira of blades around said s'naft, an ex-` -tanding aubatantiall radially therefrom, the blades of mi! mg movable longitudiavra from and toward each es having a cam-en- 4e 'adrig portion and cams on said sha t 'en-f ng mons of sai A for Nproting t'ne same, sai cams and aaldbladea'bag rnov le with respect toeach other, substantially vdecori as# 8. A rotary cutter or tobacco-steaming com aahaft, a'series of4 aira mais; us'imn'iidaliid iihdiiun ix' y t ere m,.t .e bladtl gir lmovable longitu' i- 5e nelly o the awa from and towardeac other, sach of said-b ea having a cam-en- -portion, ms on said shaft engaging means -for rotating ysaid a t, t. and means ier hol I said cama stationary,

" 4. A rotary cutter for minacce-stemming inss compr-iin; a abaftLa series of irs around said shaft, an exsubata'ntiallgdradially therefrom, the .6e I, of each v ag movable ongitudi- .,nally awa from and iowa esc es havin a cam-enon 4said h t awneaas' e"infor-1ocada; nidsagint spisasshrholdiagfaaid remand as t csenhed.

7. A rotary cutter for a tobacco-stemming machine comprising a shaft, hubs thereon,

movable blades fitted in said hubs, cams for operating sind blades and mechanism for nally of the shaft to rmit the removal and insertion of tl'zchla es, substantially as de-v scribed. i'

8. vA rotar) cutter for a tobacco-stemming machine comprising a shaft, hubs thereon,

movable blades mounted in said hubs, cams for operating said blades, devices for movin said hubs and cams longitudinally of sai shaft, and adjustable stops for engagin asiddsvicea and uniting the movement o said miba inwardly toward each other, substantially as described.

9. A rotary cutter for a tobacco-stemming machine, comprising ashaft hubs thereon,

movable blades fitted to slide in said hu is,

cams foropersting-sad blades, levers oper.

atively connected-with said cams an u is for moving them longitudinally of said shaft, adjustable stops located in sition to enf studiava-s, and devices or locking said evers rigidly in position, substantially, escri l0. A rotary cutter for tobacco-stemming machines comprising a shaft, a pair of opposmg hubs mounted on said shaft and rotatable therewith, a series of blades mounted in each huh and adapted to reciprocate -longitudinally of the shaft, cams on said shaft engaging portions of suid blades for reciprocating t em, means for adjusting said cams in n direction around the shaft and holding them station'arv in their adjusted positions, substantially described. y

1l. A rotary cutter for tobacco-stemming machines comprising a shaft, hubs mounted thereon, blades mounted insaidl hubs, and arranged concentricnlly to but. 'at a distance from said shaft, and o stationary shoe encircling a' ortion of naidi'shaft,.,and lyin' tween ie yhaft andjftho inner edges o4 sai( blades,' subatontiallygasfdcscribed.

edges o opposing blades, substantially i -moving said hubs and cams apart, longitudilos l num l2. A' rotary cutter for ii tohaccwatoniming iniu'liiiir ooiiipriiiiug a shaft, huliii thmat, iiiovalilo liladmi littod iii iiaid hubs, caina ir operating aid blades and :i station- 5 a iilno onf iiigesaid shaft, between said han, said li fos ini; arranged to pass outaide ofaaid ahoe, astantiall as described.

I3. A rotary cutter for to awo-stemming maohiwii compriiiing a rotary shaft,`a pair of io hubs adapted to rotate therewith, a iliirality of yiejtliiig liladrii carried by each uh and oania ior operating naid bladen, substantially aa desrilwd. v f

14. A rotary cutter for tobacco-stemming i 5 machin, comprising a rotary shaft, a pair ,of hulii adaptod to rotate therrwitli, a cani on naif haft adam-ont to nach of oid hulia, a iluralty of 'yie ling liladoii niwli foriiwd of wo pirtn having a ii|iriii|z lwtwoen said parts, so ono oiaaid parta lining provided with n outtingelge and the other part with a portion to om one of aid cania,`sulmtantially as descri l. A rotary cuttor for toliaccmstcmining a5 maoliea, oonipriaiiig a |mir of liulm, o ipo llt. loa 'arrinil thoriliy, nach lihiilo einig provided with a portion having a outting edge,and constructed to yield in a direction awayfroiii its oppuaing liliidv, substantially 3o al dolcrilied. y

16. A rotary cuttor for tolincco-stviiiiniiig macll'nos, comprising` a hollow iilioftv provided with a lurality of air-discharging iiIicrturiii. a cinu ar nerim of blades arranger on said 35 .haft on each aide'of said apertures, said liladia be' arranged in op ing pairs, and be' momie longitudinali?"1 of the shaft, etatlna cama on aaid shaft for reciprocatlng lidladea, and moana for supplying airI to aid ai liiicharging aportuna, lubatan# 4o tidl ,aii di-v :'i'lied. I A roi "y cutter for tobacco-stemming niacliineii,-1 mpriain a hollow shaft-providod with i! plut ity of airaperturas, a circular series of blades arra 45 on aaitl ahaft on each aide of said aporturea 4said blades being arranged in opposing rain and being movahlo longitudinally o shaft, stationary oamii on said ahaftfor. ciprocating saidbladea, and an air-au ly .5e tube extendin into said hollow aliaft and having a sing e dischargaperturo v to register suceessivel with thel aportttraa in aid shaft, substantia yasdesri v 18. A rotary cutter for tobacco-stemming 55 inachinoa compriain a hollow ahaft pro' vidad with a plura ity of air-diacliargin apertures, a circular serine of blades arra on said shaft on each aide of said apex-tuna ysaid blades being arranged in opposing Paire, on and lining movable longitudinally o the shaft, atationar camii on maid shaft for rcviprmfating ai bladen, va atationary ahoo inou'ntnd on iiaid haft between it and the inmir odgmi of mld bladen and lowing a portion 65, l

mit away, aiid an air-tube extondinginto said 'hollow shaft, and provided witii adiacharge-aperture in linowith thocut-awaypor- K tion of thil shoe, said aperture being'a to rogiiiur successive! with the oportuna in 7o said shaft, substantia lyasdescribed.

In testimony whereof wo all`ix` our aiignaturns in tlio presence of two witneaaaa.

` J. H. WHITAKER.

s LOUIS P. WHITAKER.

Witnesses:

J. K. Moon: Gaona: M. oxn. 

